Java tutorial
/* * Copyright 2002-2012 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * https://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.springframework.dao; /** * Data access exception thrown when something unintended appears to have * happened with an update, but the transaction hasn't already been rolled back. * Thrown, for example, when we wanted to update 1 row in an RDBMS but actually * updated 3. * * @author Rod Johnson */ @SuppressWarnings("serial") public class IncorrectUpdateSemanticsDataAccessException extends InvalidDataAccessResourceUsageException { /** * Constructor for IncorrectUpdateSemanticsDataAccessException. * @param msg the detail message */ public IncorrectUpdateSemanticsDataAccessException(String msg) { super(msg); } /** * Constructor for IncorrectUpdateSemanticsDataAccessException. * @param msg the detail message * @param cause the root cause from the underlying API, such as JDBC */ public IncorrectUpdateSemanticsDataAccessException(String msg, Throwable cause) { super(msg, cause); } /** * Return whether data was updated. * If this method returns false, there's nothing to roll back. * <p>The default implementation always returns true. * This can be overridden in subclasses. */ public boolean wasDataUpdated() { return true; } }